It's an updated version of a track from her early album 'In the Quarry.'
Rounding out the guestlist are Tyla, JT, Margo XS, Madison Beer, Malibu, Emilia Mernes, Bambii, Eli, and Helena Gao.
Titled 'What Comes After the Blues: Secretly 30,' the series takes place in Bloomington, Indiana on August 27–29.
Vocalist Felicia Douglass says the song is about "finding your own path towards opening up to someone who cares about you."
Dannii Minogue, Jason Donovan, Pete Waterman, and Nick Cave confirmed to appear alongside new interviews with Kylie herself.
Lead track "Out of Place," featuring Marta Złakowska, is out now.
The song began as a reaction to Katy Perry's shameless trip to space.
It's the first taste of the band's second EP, due in the fall.
The London trio will release their debut album 'Role Model Hermit' on July 3.
'Double Moon' follows last year's 'Cloud Time' album.